Re: [NOHZ] Remove scheduler_tick_max_deferment

[Christoph Lameter]

On Mon, 10 Nov 2014, Frederic Weisbecker wrote:

> Ok, I confess we moved part of that housekeeping to the syscall/exception/interrupt
> entry path. We did that for cputime accounting and RCU. And it's possible to
> even do that for timekeeping. But then the kernel entrypoint is going to be extremely
> costly. It's worth CPU 0 as a sacrificial lamb.

Well we can redirect to the scheduler setting the task flag and handle
costly stuff there if necessary?

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